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A rare side-necked turtle: of the families Bothremydidae, this type locality is Oued Zem in the Ouled Abdoun Basin phosphate layer. The prehistoric Bothremys turtles are very distinguishable species having two nose holes.

Bothremys maghrebiana, which is in a Danian marine phosphorite in Béni Mellal-Khénifra middle Atlas of Morocco. The average elevation of the area around Oued zem is 800 metres, 2600 feet.

The Paleocene or Palaeocene, the "old recent", is a geologic epoch that lasted from about 66 to 56 million years ago. It is the first epoch of the Paleogene Period in the modern Cenozoic Era.